Atype of medical test that identifies chromosomal, gene, or protein changes is what type of biotechnology?

The basic types of tissue in the human body are

Why do mountaineers become breathless as they reach high altitudes

Why can cancer in the lymph nodes (lymphoma) be particularly dangerous? a. the lymph node's ability to produce cancer-fighting lymphocytes would be compromised. b. the lymph node's ability to produce cancer-fighting lymph would be compromised. c. the lymph nodes produce lymph, which nourishes growing cancer cells. d. the lymph nodes produce chyle, which nourishes growing cancer cells.